by Ark » Wed Mar 29, 2006 10:16 am
First, that option only applies to Photo Mixes, and not Morphs or Warps, so make sure you are using Photo Mixes on the timeline just in case.
Then, you need to have at least one dot selected to use that option, otherwise there are no dots to fade. Use the Move Dots or Select Dots tools, and select at least one dot in order to enable that option.